ZONITES, 107 



about 7000 feet above the sea-level, and afterwards 

 compared them with the types in Charpentier's col- 

 lection Instead, therefore, of the present 



species being exclusively British, it likewise appears 

 to inhabit Lapland, Finland, Germany, and Switzer- 

 land." 



Var. vitrma. — Shell greenish-white, transparent. Helix 

 vitrina, Fer., ' Tabl. Syst.,' p. 45 ; H. viridida, Menke, ' Syn. 

 Moll.,' p. 20. South Wales, Cork, and Connemara, B.C. War- 

 wickshire (W. G. Blatch), near Huddersfield (J. Whitwham), J.C. 



9. Z. CRYSTAL'LINUS,* MiJLLER. PL. VII. 



Body milk-white, almost transparent ; tentacles shortish, 

 upper pair inky-black, lower pair greyish ; foot whitish, narrow, 

 ending in a point behind. 



Shell depressed above, slightly convex underneath, thin, ex- 

 tremely glossy, translucent and iridescent, white with a greenish 

 tinge, with very fine, close-set, transverse striae, which are 

 stronger near the suture ; epidermis exceedingly thin ; whorls 

 4I-5, gradually increasing, somewhat convex, but outwardly 

 compressed ; spire very slightly produced ; suture distinct but 

 shallow ; mouth semilunar, sometimes furnished with a slight 

 internal rib ; outer lip very thin, oblique ; umbilicus distinct but 

 narrow and not deep. 



Inhabits woods, damp meadow^s, and shady places, 

 among moss and decayed leaves, as well as under 

 stones and fallen branches of trees in most parts of 

 Great Britain. 



Var. complaiiata. — Shell nearly flat on both sides, the last 

 whorl proportionally larger than the others. Leigh Woods, 

 near Bristol (J. G. J.), B.C., vol, i. p. 170. 



Resembling crystaL 



